:root{
  --a:#22d3ee; --b:#0f172a; --c:#f59e0b;
  --ink:#f8fafc; --muted:#94a3b8; --glass:rgba(255,255,255,.06); --line:rgba(255,255,255,.12);
  --r:22px;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{
  font-family:"Vazirmatn",system-ui,-apple-system,sans-serif; color:var(--ink);
  background:radial-gradient(1200px 700px at 80% -10%, color-mix(in srgb,var(--a) 35%,transparent), transparent 60%),
             radial-gradient(900px 600px at -10% 110%, color-mix(in srgb,var(--c) 30%,transparent), transparent 60%),
             var(--b);
  padding:0 16px calc(150px + env(safe-area-inset-bottom,0px));
  -webkit-tap-highlight-color:transparent;
}
#bg{position:fixed;inset:0;overflow:hidden;pointer-events:none;z-index:0}
#bg span{position:absolute;bottom:-12vh;font-size:clamp(28px,6vw,64px);opacity:.18;animation:float linear infinite;filter:saturate(1.2)}
@keyframes float{to{transform:translateY(-130vh) rotate(25deg)}}

.top{position:relative;z-index:1;max-width:760px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:18px 4px 8px}
.brand{font-weight:800;font-size:20px;display:flex;gap:8px;align-items:center}
.brand span:first-child{font-size:28px}
.xp{background:var(--glass);border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-weight:700}
.xp b{color:var(--c);font-variant-numeric:tabular-nums}

.wrap{position:relative;z-index:1;max-width:760px;margin:0 auto}
.progress{height:10px;background:var(--glass);border:1px solid var(--line);border-radius:999px;overflow:hidden}
.bar{height:100%;width:0;background:linear-gradient(90deg,var(--a),var(--c));border-radius:999px;transition:width .5s cubic-bezier(.2,.8,.2,1)}
.stageNo{color:var(--muted);font-size:13px;margin:8px 4px 14px}

.card{
  background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.03));
  border:1px solid var(--line); border-radius:var(--r); padding:28px 24px;
  box-shadow:0 30px 80px rgba(0,0,0,.35); backdrop-filter:blur(14px);
  animation:pop .35s cubic-bezier(.2,.8,.2,1);
}
@keyframes pop{from{opacity:0;transform:translateY(12px) scale(.98)}}
.icon{font-size:56px;line-height:1;margin-bottom:12px;filter:drop-shadow(0 8px 20px rgba(0,0,0,.4))}
h1{font-size:clamp(22px,4vw,30px);margin:0 0 6px;font-weight:800}
.sub{color:var(--muted);margin:0 0 22px;font-size:15px;line-height:1.7}

label.f{display:block;margin:14px 0}
label.f span{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
input[type=text],input[type=email],textarea,select{
  width:100%;font:inherit;font-size:18px;color:var(--ink);background:rgba(0,0,0,.25);
  border:1px solid var(--line);border-radius:14px;padding:14px 16px;outline:none;transition:border-color .2s,box-shadow .2s
}
input:focus,textarea:focus,select:focus{border-color:var(--a);box-shadow:0 0 0 4px color-mix(in srgb,var(--a) 25%,transparent)}
textarea{min-height:120px;resize:vertical;line-height:1.8}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
select{appearance:none;background-image:none}

.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  border:1px solid var(--line);background:var(--glass);color:var(--ink);font:inherit;font-size:16px;font-weight:600;
  padding:12px 18px;border-radius:999px;cursor:pointer;transition:.15s;min-height:48px
}
.chip:hover{border-color:var(--a)}
.chip.on{background:var(--a);color:#0b1220;border-color:var(--a);transform:scale(1.04)}

.matrix{display:grid;gap:10px}
.mrow{display:grid;grid-template-columns:1.2fr 2fr;gap:10px;align-items:center;background:rgba(0,0,0,.18);border:1px solid var(--line);border-radius:14px;padding:10px 14px}
.mrow .q{font-weight:700}
.seg{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.seg button{font:inherit;font-size:14px;font-weight:600;color:var(--ink);background:var(--glass);border:1px solid var(--line);border-radius:10px;padding:10px 6px;cursor:pointer;min-height:44px}
.seg button.on{background:var(--c);color:#0b1220;border-color:var(--c)}

.yn{display:flex;gap:12px;margin-bottom:10px}
.yn .chip{flex:1;text-align:center;font-size:18px;padding:16px}
.hint{color:var(--c);font-weight:700;margin-top:10px}

.nav{display:flex;justify-content:space-between;gap:12px;margin-top:18px}
.btn{font:inherit;font-size:17px;font-weight:800;border-radius:16px;padding:14px 26px;cursor:pointer;border:1px solid var(--line);min-height:52px;transition:.15s}
.btn.ghost{background:var(--glass);color:var(--ink)}
.btn.ghost:disabled{opacity:.3;cursor:default}
.btn.primary{background:linear-gradient(135deg,var(--a),color-mix(in srgb,var(--a) 60%,var(--c)));color:#0b1220;border:none;box-shadow:0 12px 30px color-mix(in srgb,var(--a) 35%,transparent)}
.btn.primary:hover{transform:translateY(-1px)}
.btn.primary:active{transform:scale(.98)}
.shake{animation:shake .35s}
@keyframes shake{25%{transform:translateX(6px)}75%{transform:translateX(-6px)}}

.profile{display:grid;gap:8px;margin-top:16px}
.profile .pr{display:flex;justify-content:space-between;gap:12px;border-bottom:1px dashed var(--line);padding:8px 0;font-size:15px}
.profile .pr b{color:var(--muted);font-weight:600;white-space:nowrap}
.badge{display:inline-block;background:var(--c);color:#0b1220;font-weight:800;border-radius:999px;padding:6px 14px;margin-top:14px}
.saved{color:#86efac;font-weight:700;margin-top:12px}

#confetti{position:fixed;inset:0;pointer-events:none;z-index:5}

@media (max-width:560px){
  .card{padding:22px 16px}
  .mrow{grid-template-columns:1fr}
  .row3{grid-template-columns:1fr 1fr 1fr}
  .btn{padding:14px 18px;font-size:16px}
}

/* واکنش کوتاه بعد از هر جواب */
.toast{position:fixed;top:14px;left:50%;transform:translateX(-50%) translateY(-20px);z-index:6;background:var(--c);color:#0b1220;font-weight:800;padding:12px 20px;border-radius:999px;box-shadow:0 14px 40px rgba(0,0,0,.4);opacity:0;transition:.3s;max-width:92vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* کانال زنده با کلاد */
.chat{position:fixed;left:0;right:0;bottom:0;z-index:4;padding:8px 12px calc(10px + env(safe-area-inset-bottom,0px));
  background:linear-gradient(180deg,transparent,color-mix(in srgb,var(--b) 85%,black) 30%)}
.msgs{max-width:760px;margin:0 auto 8px;display:flex;flex-direction:column;gap:6px;max-height:22vh;overflow:auto}
.msg{max-width:88%;padding:10px 14px;border-radius:16px;line-height:1.7;font-size:15px;animation:pop .35s}
.msg.claude{align-self:flex-start;background:rgba(255,255,255,.1);border:1px solid var(--line);border-start-start-radius:4px}
.msg.claude::before{content:"🤖 کلاد";display:block;font-size:11px;color:var(--a);font-weight:800;margin-bottom:2px}
.msg.arash{align-self:flex-end;background:color-mix(in srgb,var(--a) 30%,transparent);border:1px solid color-mix(in srgb,var(--a) 50%,transparent);border-start-end-radius:4px}
.chatForm{max-width:760px;margin:0 auto;display:flex;gap:8px}
.chatForm input{flex:1;font-size:16px;padding:12px 14px;border-radius:14px}
.chatForm .btn{padding:10px 18px;min-height:44px;font-size:15px}